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Colloidal Polyaniline for Cleanup of PFAS Contaminated Groundwater

This invention is an injectable colloidal polymer designed for in situ removal of per- and polyfluoroalkyl substances (PFAS) from contaminated groundwater. The technology uses a colloidal form of polyaniline that can be injected directly into sand and gravel aquifers, where it adheres to mineral surfaces and forms a permeable adsorptive barrier for...

Published: 7/17/2026 | Updated: 7/13/2026 | Inventor(s): Jonathan Chorover, Reyes Sierra-Alvarez, Neeraja Setlur, James Hatton

Keywords(s):

Category(s): Technology Classifications > Energy, Cleantech & Environmental > Air/Water Purification, Technology Classifications > Energy, Cleantech & Environmental > Remediation > Water, Technology Classifications > Energy, Cleantech & Environmental > Remediation > Soil, Technology Classifications > Materials > Polymers

Remediation of 3-Nitro-1,2,4-Triazol-5-One (NTO Explosives) in Water

This technology is a pretreatment step that will aid in the degradation of aromatic compounds with nitro substituents (explosives, TNT, plasticizers, dinitroluene). It involves the injection of an inexpensive reducing agent that results in reduction of one or more of the contaminant’s nitro groups to amines rendering the contaminant more susceptible...

Published: 10/30/2024 | Updated: 11/8/2017 | Inventor(s): James Field, Jonathan Chorover, Maria Sierra Alvarez

Keywords(s):

Category(s): Technology Classifications > Energy, Cleantech & Environmental > Remediation > Water